<template>
  <div class="login-container">
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      autocomplete="on"
      label-position="left"
    >

      <div class="title-container">
        <h3 class="title">Maker Iot 后台登录</h3>
      </div>

      <el-form-item prop="input1">
        <span class="svg-container">
          <svg-icon icon-class="user"/>
        </span>
        <el-input
          ref="input1"
          v-model="loginForm.input1"
          :placeholder="loginForm.loginWay === 'sid' ? '学号' : '手机号'"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <!--login with password-->
      <transition-group name="form-anime">
        <el-tooltip
          v-if="loginForm.loginWay==='sid'"
          key="1"
          v-model="capsTooltip"
          class="form-anime-item"
          content="Caps lock is On"
          placement="right"
          manual
        >
          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password"/>
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="密码"
              name="password"
              tabindex="2"
              autocomplete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span class="show-pwd" @click="showPwd">
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"/>
            </span>
          </el-form-item>
        </el-tooltip>

        <!--login with phone-->

        <!--captcha-->

        <el-form-item key="2" prop="captcha" class="form-anime-item">
          <el-row type="flex" justify="space-between">
            <el-col :span="18">
              <span class="svg-container">
                <svg-icon icon-class="password"/>
              </span>
              <el-input
                :key="'captcha'"
                v-model="loginForm.captcha"
                placeholder="验证码"
                name="password"
                tabindex="2"
                autocomplete="on"
                @keyup.native="checkCapslock"
                @blur="capsTooltip = false"
                @keyup.enter.native="handleLogin"
              />
            </el-col>
            <el-col :span="6">
              <img ref="captcha" src="#" alt="captcha" style="width: 100%;height: 100%;" @click="setCaptcha">
            </el-col>
          </el-row>
        </el-form-item>

        <el-form-item
          v-if="loginForm.loginWay==='phone'"
          key="3"
          class="form-anime-item"
          prop="phoneCaptcha"
        >
          <el-row type="flex" justify="space-between">
            <el-col :span="18">
              <span class="svg-container">
                <svg-icon icon-class="user"/>
              </span>
              <el-input
                v-model="loginForm.phoneCaptcha"
                placeholder="手机验证码"
                name="captcha"
                type="text"
                tabindex="1"
                autocomplete="on"
              />
            </el-col>
            <el-col :span="6">
              <el-button
                ref="phoneCaptcha"
                type="primary"
                style="width: 100%;height: 100%;"
                @click="sendPhoneCaptcha"
                :disabled="phoneCaptchaHTML !== '获取验证码'"
              >
                {{ phoneCaptchaHTML }}
              </el-button>
            </el-col>
          </el-row>

        </el-form-item>
      </transition-group>

      <el-row type="flex" justify="space-between">
        <el-col :span="11">
          <el-button
            :loading="loading"
            type="primary"
            size="medium"
            style="width:100%;margin-bottom:30px;"
            @click.native.prevent="loginForm.loginWay='sid';setCaptcha()"
          >
            学号登录
          </el-button>
        </el-col>

        <el-col :span="11">
          <el-button
            :loading="loading"
            type="primary"
            size="medium"
            style="width:100%;margin-bottom:30px;"
            @click.native.prevent="loginForm.loginWay='phone';setCaptcha()"
          >
            手机号登录
          </el-button>
        </el-col>
      </el-row>

      <el-row>
        <el-button
          :loading="loading"
          type="success"
          style="width:100%;margin-bottom:30px;height: 50px;"
          @click.native.prevent="handleLogin"
        >
          登录
        </el-button>
      </el-row>

    </el-form>

    <el-dialog title="Or connect with" :visible.sync="showDialog">
      Can not be simulated on local, so please combine you own business simulation! ! !
      <br>
      <br>
      <br>
      <social-sign/>
    </el-dialog>
  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
import SocialSign from './components/SocialSignin'
import {getCaptcha, sendPhoneCaptcha} from '@/api/user'
import {Message} from "element-ui";

export default {
  name: 'Login',
  components: {SocialSign},
  data() {
    const validateInput1 = (rule, value, callback) => {
      if (isNaN(value)) {
        callback(new Error('必须是数字'))
      } else if (!value) {
        callback(new Error('不能为空'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('必须大于6位数'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        loginWay: 'sid', // phone
        input1: '',
        password: '',
        captcha: '',
        phoneCaptcha: ''
      },
      loginRules: {
        input1: [{required: true, trigger: 'blur', validator: validateInput1}],
        password: [{required: true, trigger: 'blur', validator: validatePassword}]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {},
      uuid: '',
      phoneCaptchaHTML: '获取验证码'
    }
  },
  watch: {
    $route: {
      handler: function (route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.input1 === '') {
      this.$refs.input1.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
    this.setCaptcha()
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const {key} = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          this.$store.dispatch('user/login', {
            type: this.loginForm.loginWay,
            username: this.loginForm.input1 + '',
            password: this.loginForm.password + '',
            uuid: this.uuid,
            captcha: this.loginForm.captcha.toUpperCase(),
            phoneCaptcha: this.loginForm.phoneCaptcha
          })
            .then(() => {
              this.$router.push({path: this.redirect || '/', query: this.otherQuery})
              this.loading = false
            })
            .catch(async (e) => {
              console.log(e)
              this.loading = false
              await this.setCaptcha()
            })
        } else {
          this.$message({
            showClose: true,
            message: '用户名或密码错误',
            type: 'error'
          })
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    },
    async setCaptcha() {
      const resp = await getCaptcha()
      this.$refs.captcha.src = resp.data.image
      this.uuid = resp.data.uuid
    },
    async sendPhoneCaptcha() {
      sendPhoneCaptcha(this.loginForm.input1)
      Message({
        message: '发送成功',
        type: 'success',
        duration: 5 * 1000
      })

      this.phoneCaptchaHTML = 60
      let flag = setInterval(() => {
        if (this.phoneCaptchaHTML === 0) {
          this.phoneCaptchaHTML = '获取验证码'
          clearInterval(flag)
        } else this.phoneCaptchaHTML--
      }, 1000)
    }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0;
      -webkit-appearance: none;
      border-radius: 0;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    background-color: $bg;
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }

  //vue transition anime
  .form-anime-item {
    transition: all 800ms cubic-bezier(0.6, 0, 0.35, 1) 0ms;
  }

  .form-anime-enter, .form-anime-leave-to {
    opacity: 0;
    transform: translateX(-150px);
  }

  .form-anime-move {
    //transition: all 1s;
  }

  .form-anime-leave-active {
    width: 448px;
    position: absolute;
  }
}
</style>
